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href="http://www.cdcfah.com/cp/third-dgyqybwr_glclybib/">功率測(cè)量?jī)x表</a>?江蘇相位差測(cè)量?jī)x生產(chǎn)公司蘇州千宇光學(xué)科技供應(yīng)</p><div id="4o2cx4m" class="leftbox clearfix"><h1>江蘇相位差測(cè)量?jī)x生產(chǎn)公司蘇州千宇光學(xué)科技供應(yīng)</h1><div id="ycoqxqh" class="proBig"><div id="cryacbx" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282805332031/666775.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jtvc3l8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282805332031/666775.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="82ryaht" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇相位差測(cè)量?jī)x生產(chǎn)公司,相位差測(cè)量?jī)x</p><p><span>***更新：</span>2020-11-29 12:05:53</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="nwtf233" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州千宇光學(xué)科技有限公司</a></p><p><span>聯(lián)系人：</span>密先生</p><p><span>郵箱: </span>cimi@oec-tech.com</p><p><span>電話: </span>18662198664</p><p><span>傳真: </span>0512_69388290</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0512-69388290</p><p><span>地址: </span>蘇州工業(yè)園區(qū)東旺路8號(hào)7B-302室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="hahzgs7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="u7nu3sw" class="box"><p><p> 相位差測(cè)量?jī)x主要是由鎖相環(huán)產(chǎn)生360倍頻基準(zhǔn)信號(hào)和移相網(wǎng)絡(luò)的基準(zhǔn)信號(hào)與待測(cè)信號(hào)進(jìn)行異或后的信號(hào)作為顯示器的閘門電路和控制信號(hào)。頻率測(cè)量模塊主要是用計(jì)數(shù)法測(cè)量頻率的，它是有某個(gè)已知 </p> <p> 標(biāo)準(zhǔn)時(shí)間間隔Ts內(nèi)，測(cè)出被測(cè)信號(hào)重復(fù)出現(xiàn)的次數(shù)N，然后計(jì)算出頻率f=N/Ts.顯示電路模塊主要是由計(jì)數(shù)器、鎖存器、譯碼器和數(shù)碼管組成。 </p> <p> 相位差測(cè)試儀是工業(yè)領(lǐng)域中是經(jīng)常用到的一般測(cè)量工具，比如在電力系統(tǒng)中電網(wǎng)并網(wǎng)合閘時(shí)，需要兩電網(wǎng)的電信號(hào)相同,這就需要精確的測(cè)量?jī)晒ゎl信號(hào)之間的相位差，江蘇相位差測(cè)量?jī)x生產(chǎn)公司。高精度軸角度相位差透過率，江蘇相位差測(cè)量?jī)x生產(chǎn)公司，江蘇相位差測(cè)量?jī)x生產(chǎn)公司，色度(La、 b)，偏光度。江蘇相位差測(cè)量?jī)x生產(chǎn)公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇相位差測(cè)量?jī)x生產(chǎn)公司,相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282805332031/666775.png"></div><p style="text-indent:25px">相位測(cè)量技術(shù)的研討由來已久，**早的研討和應(yīng)用是在數(shù)學(xué)的矢量分析和物理學(xué)的圓周運(yùn)動(dòng)以及振動(dòng)學(xué)方面，隨之在電力部分、機(jī)械部分、航空航天、地質(zhì)勘探、海底資源等方面也相應(yīng)得到注重和展開。跟著電子技術(shù)和計(jì)算機(jī)技術(shù)的展開，相位測(cè)量技術(shù)得到了靈敏的展開，現(xiàn)在相位測(cè)量技術(shù)已較完善，測(cè)量方法及理論也比較老練，相位測(cè)量?jī)x器已系列化和商品化?，F(xiàn)代相位測(cè):量技術(shù)的展開可分為三個(gè)階段:***階段是在前期采用的諸如阻抗法、和/差法、三電壓法、比對(duì)法和平衡法等，雖然方法簡(jiǎn)略，但測(cè)量精度較低;第二階段是運(yùn)用數(shù)字**電路、微處理器、FPGA/CPLD、 DSP等構(gòu)成測(cè)相系統(tǒng)，使測(cè)量精度得以**提高;第三階段是充分運(yùn)用計(jì)算機(jī)及智能化虛擬測(cè)量技術(shù)，然后**簡(jiǎn)化規(guī)劃程序，增強(qiáng)功用，使得相應(yīng)的產(chǎn)品精度更高、功用更全。一起，各種新的算法也隨之出現(xiàn)。江蘇薄膜相位差測(cè)量?jī)x廠家直銷此光軸跟基方向呈現(xiàn)吸收狀態(tài)(透光率比較低)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇相位差測(cè)量?jī)x生產(chǎn)公司,相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304281612314453/3724707.png"></div><p> 相位差測(cè)試儀的發(fā)展與現(xiàn)狀 </p> <p> 相位測(cè)量技術(shù)的研究由來已久,**早的研究和應(yīng)用是在數(shù)學(xué)的矢量分析和物理學(xué)的圓周運(yùn)動(dòng)以及振動(dòng)學(xué)方面，隨之在電力部門、機(jī)械部門、航空航天、地質(zhì)勘探、海底資源等方面也相應(yīng)得到重視和發(fā)展。隨著電子技術(shù)和計(jì)算機(jī)技術(shù)的發(fā)展,相位測(cè)量技術(shù)得到了迅速的發(fā)展，目前相位測(cè)量技術(shù)已較完善，測(cè)量方法及理論也比較成熟，相位測(cè)量?jī)x器已系列化和商品化?，F(xiàn)代相位測(cè)量技術(shù)的發(fā),展可分為三個(gè)階段:***個(gè)階段是早期采用的諸如阻抗法、和/差法、三電壓法、對(duì)比法和平衡法等，雖方法簡(jiǎn)單，但測(cè)量精度較低，第二階段是利用數(shù)字 </p> <p> <br /> </p> <p> <br /> </p> <p> **電路，微處理器、FPGA/CPLD、 DSP 等構(gòu)成測(cè)相系統(tǒng)，使測(cè)量精度得以**提高，第三階段是充分利用計(jì)算機(jī)及智能化虛擬測(cè)量技術(shù)，從而**簡(jiǎn)化設(shè)計(jì)程序，增強(qiáng)功能，使得相應(yīng)的產(chǎn)品精度更高，功能更全，同時(shí)各種新的算法也隨之出現(xiàn)。 </p> <p> <br /> </p> <p> <br /> </p><p> 相位差測(cè)試儀是工業(yè)領(lǐng)域中是經(jīng)常用到的一般測(cè)量工具，比如在電力系統(tǒng)中電網(wǎng)并網(wǎng)合閘時(shí)，需要兩電網(wǎng)的電信號(hào)相同，這就需要精確的測(cè)量?jī)晒ゎl信號(hào)之間的相位差。更有測(cè)量?jī)闪型l信號(hào)的相位差在研究網(wǎng)絡(luò)、系統(tǒng)的頻率特性中具備重要意義。相位測(cè)量的方法很多，典型的傳統(tǒng)方法是通過顯示器觀測(cè)，這種方法誤差較大，讀數(shù)不方便。為此，我們?cè)O(shè)計(jì)了一種數(shù)字相位差測(cè)量?jī)x，實(shí)現(xiàn)了兩列信號(hào)相位差的自動(dòng)測(cè)量及數(shù)顯。近年來，隨著科學(xué)技術(shù)的迅速發(fā)展，很多測(cè)量?jī)x逐漸向“智能儀器”和“自動(dòng)測(cè)試系統(tǒng)”發(fā)展，這使得儀器的使用比較簡(jiǎn)單，功能越 </p> <p> 越多。高精度軸角度相位差測(cè)量?jī)x吸收軸角度/偏光軸角度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇相位差測(cè)量?jī)x生產(chǎn)公司,相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282979365234/1669802.png"></div><p style="text-indent:25px">相位差測(cè)量兩個(gè)正弦電量可以是電壓和電流，或者一個(gè)是電壓，一個(gè)是電流等，對(duì)應(yīng)點(diǎn)通常是從負(fù)到正的過零點(diǎn)，相當(dāng)于正弦電函數(shù)的初始相位角。相位差的單位是度或弧度，正負(fù)號(hào)表示超前或滯后關(guān)系。一種由于被測(cè)相位差正弦電量的頻率范圍很寬，所以通常根據(jù)頻率選擇測(cè)量方法和儀器。常用的方法有直接法和間接法。一種直接法：用指針式相位計(jì)、數(shù)字相位計(jì)等**儀器或用負(fù)示波器測(cè)量相位差。當(dāng)使用陰極示波器時(shí)，將兩個(gè)相同頻率的正弦電壓信號(hào)分別加到示波器的X軸和Y軸上。然后兩個(gè)正弦電壓之間的相位差為∮=電弧正弦（B/α）。整機(jī)尺寸：根據(jù)客戶樣品尺寸定制。江蘇質(zhì)量相位差測(cè)量?jī)x服務(wù)保障</p><p style="text-indent:25px">相位差測(cè)試儀：偏光片相位差測(cè)試儀。江蘇相位差測(cè)量?jī)x生產(chǎn)公司</p><p style="text-indent:25px">偏光片所屬類別 : 其他基本信息中文名稱：偏光片外文名稱：Polarizer 概述：液晶顯示器的成像必須依靠偏振光標(biāo)準(zhǔn)：是全球公認(rèn)適合駕駛的鏡片分類：碘系偏光片，染料系偏光片偏光片的全稱是偏振光片，液晶顯示器的成像必須依靠偏振光，所有的液晶都有前后兩片偏振光片緊貼在液晶玻璃，國(guó)產(chǎn)相位差測(cè)試儀，組成總厚度1mm左右的液晶片。如果少了任何一張偏光片，液晶片都是不能顯示圖像的。偏光片關(guān)鍵層-PVA PVA膜 (PolyvinylAlcohol)全稱聚乙烯醇薄膜，其組分主要是碳?xì)溲醯容p原子，因此具有高透光和高延展性等特點(diǎn)。PVA分子本來是任意角度無規(guī)則性分布的，PET相位差測(cè)試儀，在一定溫度和濕度條件下，受力拉伸后就逐漸偏轉(zhuǎn)于作用力方向，趨向于成直線狀分布。江蘇相位差測(cè)量?jī)x生產(chǎn)公司</p></p><br 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